Lime Yogurt Cake with Rosewater and Pistachios

Name: Lime Yogurt Cake with Rosewater and Pistachios
Ingredients: 8 ounces self-rising flour; 1 teaspoon baking powder; Pinch of salt; 3 ounces ground almonds; 3 1/2 ounces superfine sugar; 2 medium eggs; 1 generous tablespoon (2 ounces) honey; 9 ounces plain yogurt; 1/2 cup sunflower oil; Finely grated zest of 1 lime; Juice of 1 lime; 1 to 2 tablespoons rosewater; 2 ounces unsalted pistachios, coarsely chopped, optional; Rose petals, optional; Cream,plain yogurt,sliced mangoes or berries, for serving